{
    "CVE_data_meta": {
        "ASSIGNER": "security@duo.com",
        "ID": "CVE-2017-11428",
        "STATE": "PUBLIC",
        "TITLE": " Multiple SAML libraries may allow authentication bypass via incorrect XML canonicalization and DOM traversal"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Ruby-SAML",
                                "version": {
                                    "version_data": [
                                        {
                                            "affected": "<",
                                            "version_value": "1.6.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "OneLogin"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Kelby Ludwig of Duo Security"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "OneLogin Ruby-SAML 1.6.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.0"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-287: Improper Authentication"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations",
                "refsource": "MISC",
                "name": "https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations"
            },
            {
                "url": "https://www.kb.cert.org/vuls/id/475445",
                "refsource": "MISC",
                "name": "https://www.kb.cert.org/vuls/id/475445"
            }
        ]
    },
    "source": {
        "discovery": "INTERNAL"
    }
}